An official website of the United States government.

This is not the current EPA website. To navigate to the current EPA website, please go to www.epa.gov. This website is historical material reflecting the EPA website as it existed on January 19, 2021. This website is no longer updated and links to external websites and some internal pages may not work. More information »

SW-846 Test Method 7742: Selenium (Atomic Absorption, Borohydride Reduction)

The following document outlines the atomic absorption procedure for determining 3 to 750 microgram per liter (µg/L) concentrations of selenium in wastes, mobility procedure extracts, soils, and ground water.

You may need a PDF reader to view some of the files on this page. See EPA’s About PDF page to learn more.

Method 7742: Selenium (Atomic Absorption, Borohydride Reduction), part of Test Methods for Evaluating Solid Waste, Physical/Chemical Methods (PDF)(8 pp, 165 K, September 1994)